Environment nonprofits in Massachusetts

Environment nonprofits in Massachusetts. Browse 1,254 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Hanson Garden Club

    EIN 043291593 · Headquarters: halifax, MA, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Harborarts Inc

    EIN 270393929 · Headquarters: EAST BOSTON, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  3. Hardwick Pond Preservation Association Inc

    EIN 813064120 · Headquarters: Walpole, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Hardy Pond Association Inc

    EIN 223239685 · Headquarters: Waltham, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  5. Harmony Center Inc

    EIN 200314140 · Headquarters: Wayland, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Harvard Conservation Trust

    EIN 237305157 · Headquarters: HARVARD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Harwich Conservation Trust

    EIN 046599166 · Headquarters: SOUTH HARWICH, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Harwich Ponds Coalition Inc

    EIN 994809108 · Headquarters: Harwich, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Hayes Pond Community Assoc Inc

    EIN 042738706 · Headquarters: Otis, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Healthlink Inc

    EIN 043547142 · Headquarters: Marblehead, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Healthy Home Healthy Planet Incorporated

    EIN 813143242 · Headquarters: Marblehead, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Hebert Arboretum Inc

    EIN 043527855 · Headquarters: Pittsfield, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. HEETLabs Inc

    EIN 992296720 · Headquarters: Cambridge, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Help Save the Lake Inc

    EIN 261822077 · Headquarters: Taunton, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  15. Help Yourself Inc

    EIN 474719822 · Headquarters: HOLYOKE, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Helping Hands of Breakheart Reservation

    EIN 831663593 · Headquarters: Saugus, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Herring Ponds Watershed Association Ltd

    EIN 272970848 · Headquarters: Sagamore Beach, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. High Plains Grasslands Alliance Inc

    EIN 471059343 · Headquarters: Boxford, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Hilltown Land Trust Inc

    EIN 222831145 · Headquarters: ASHFIELD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Hobbes-hands on Boat Based Education and Science Inc

    EIN 043487109 · Headquarters: Marblehead, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Holliston in Bloom

    EIN 463013436 · Headquarters: Holliston, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Homeworld Collective Inc

    EIN 882741229 · Headquarters: SOMERVILLE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Honoring Our Mother Earth Inc

    EIN 470999975 · Headquarters: Worcester, MA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Hoosic River Watershed Association

    EIN 042940625 · Headquarters: WILLIAMSTOWN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Hopkinton Area Land Trust Inc

    EIN 043270697 · Headquarters: WOODVILLE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Horticultural Club of Boston

    EIN 043227920 · Headquarters: chestnut hill, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Horticultural Society of Boxford Inc

    EIN 043515532 · Headquarters: Boxford, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Housatonic River Initiative Inc

    EIN 043262020 · Headquarters: LEE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Housatonic the Beautiful Fund Inc

    EIN 043251332 · Headquarters: Housatonic, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. Hull Community Garden

    EIN 812275900 · Headquarters: Hull, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Hull Land Conservation Trust

    EIN 020800781 · Headquarters: Hull, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. Humans for Oceans Inc 81

    EIN 474584802 · Headquarters: ESSEX, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Ida Sustainable Water Resources Foundation

    EIN 823477983 · Headquarters: DANVERS, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Indian Lake Community Association

    EIN 851482390 · Headquarters: Worcester, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Indian Ponds Association

    EIN 222521923 · Headquarters: Marstons Mills, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. InOurHands

    EIN 821569093 · Headquarters: Westminster, MA, United States · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Institute for Environmental Awareness Inc

    EIN 042514042 · Headquarters: Wilmington, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Institute for Ssds Inc

    EIN 043262234 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  39. Interdisciplinary Environmental Associat C/o Dr Demetri Kantarelis

    EIN 812804603 · Headquarters: WORCESTER, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. International Association for Human Resource Information Management In

    EIN 943064786 · Headquarters: Burlington, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  41. International Association of Administrative Professionals

    EIN 510586527 · Headquarters: Salem, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  42. International Conservation Fund Corp

    EIN 834647086 · Headquarters: Boston, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Ipci-USA Inc

    EIN 412056090 · Headquarters: Whitman, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Ipswich River Watershed Association

    EIN 042615125 · Headquarters: IPSWICH, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Island Eats Mv Inc

    EIN 461486573 · Headquarters: CHILMARK, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. ISO New England

    EIN 043372500 · Headquarters: HOLYOKE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Its West Springfield Inc

    EIN 364770573 · Headquarters: WEST SPRINGFIELD, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Jacobs Ladder Trail Scenic Byway Inc

    EIN 043288648 · Headquarters: Huntington, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Jamaica Plain Green House

    EIN 263798293 · Headquarters: Wellesley, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Johnny Appleseed Trail Association Inc

    EIN 043318533 · Headquarters: FITCHBURG, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Jonathan L Rosner Foundation for the Preservation of Center Pon

    EIN 261784732 · Headquarters: BECKET, MA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  52. Jones River Watershed Associnc

    EIN 223269260 · Headquarters: KINGSTON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Jungle Lake Property Owners Association Inc

    EIN 815090525 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Just Zero

    EIN 882375282 · Headquarters: STURBRIDGE, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Just1action Inc

    EIN 923683130 · Headquarters: Cohasset, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Just1bag Inc

    EIN 861560931 · Headquarters: Cohasset, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. K109 Fall River

    EIN 454830321 · Headquarters: Fall River, MA, US · Environment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  58. Kalmia Garden Club

    EIN 432032550 · Headquarters: NEEDHAM, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Kanchan Moni Foundation Inc

    EIN 931475600 · Headquarters: ACTON, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Katama Airfield Trust

    EIN 043437606 · Headquarters: EDGARTOWN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Keep Attleboro Beautiful

    EIN 824403166 · Headquarters: Attleboro, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Keep Boylston Beautiful

    EIN 815160749 · Headquarters: Boylston, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Keep Massachusetts Beautiful Inc

    EIN 465310578 · Headquarters: MANSFIELD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Keep Natick Beautiful Inc

    EIN 814197156 · Headquarters: Natick, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Keep Springfield Beautiful Inc

    EIN 203345817 · Headquarters: Springfield, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Kendall Pond Betterment Association

    EIN 473913557 · Headquarters: Gardner, MA, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. Kestrel Educational Adventures Inc

    EIN 061703921 · Headquarters: BEVERLY, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Kestrel Land Trust

    EIN 046243236 · Headquarters: AMHERST, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Kestrel Land Trust Inc

    EIN 222746868 · Headquarters: AMHERST, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Keystone Conservation Trust

    EIN 202933664 · Headquarters: VINEYARD HAVEN, MA, USA · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  71. Kinship Farm Corporation

    EIN 384136612 · Headquarters: BEVERLY, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. La Conscience Haitienne

    EIN 852653504 · Headquarters: Cambridge, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. Lagoon Pond Association Inc

    EIN 043254215 · Headquarters: Vineyard Hvn, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Lake Archer Association Corporation

    EIN 823981538 · Headquarters: WRENTHAM, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Lake Attitash Association Inc

    EIN 383796965 · Headquarters: Amesbury, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Lake Boon Improvement Association Inc

    EIN 222907604 · Headquarters: Stow, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Lake Cochituate Watershed Council Inc

    EIN 320303380 · Headquarters: Natick, MA, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Lake Gardner Improvement Association Inc

    EIN 043534960 · Headquarters: Amesbury, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Lake Massapoag Rod & Gun Club Inc

    EIN 046130548 · Headquarters: Dunstable, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Lake Onota Preservation Association Incorporated

    EIN 593765273 · Headquarters: PITTSFIELD, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Lake Quinsigamond Watershed Association Inc

    EIN 412057326 · Headquarters: Shrewsbury, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Lake Sargent Association Inc

    EIN 874291575 · Headquarters: LEICESTER, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Lake Singletary Water Shed Assoication

    EIN 020557817 · Headquarters: Sutton, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Lake Winnekeag Associations Inc

    EIN 863882682 · Headquarters: ASHBURNHAM, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Lake Wyola Association Inc

    EIN 043195059 · Headquarters: Holyoke, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Lancaster Garden Club

    EIN 454704758 · Headquarters: South Lancaster, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  87. Lancaster Land Trust Inc

    EIN 043410955 · Headquarters: LANCASTER, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Land Conservation and Advocacy Trust Inc

    EIN 263302622 · Headquarters: Framingham, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Land's Sake

    EIN 042702759 · Headquarters: Weston, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Laurel Lake Preservation Association Inc

    EIN 043281763 · Headquarters: Lee, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Lawrence Environmental Action Group Inc

    EIN 043281624 · Headquarters: LAWRENCE, MA, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Leisure Shores Beach Restoration Committee

    EIN 261212089 · Headquarters: Mattapoisett, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Lenox Garden Club

    EIN 046071679 · Headquarters: Lenox, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Lenox Land Trust Incorporated

    EIN 200367421 · Headquarters: Lenox, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Leominster Land Trust Inc

    EIN 043455541 · Headquarters: Leominster, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Lewis Bay Research Center Inc Wilcox

    EIN 204217481 · Headquarters: SOUTH YARMOUTH, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Lexington Climate Action Network Inc

    EIN 884030374 · Headquarters: LEXINGTON, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Lexington Field & Garden Club Inc

    EIN 040112426 · Headquarters: Lexington, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Lexington Zero Waste Collaborative Inc

    EIN 852459810 · Headquarters: LEXINGTON, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Lincoln Land Conservation Trust

    EIN 046042565 · Headquarters: LINCOLN, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

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